From: Peter Hurley <peter@hurleysoftware.com>
Date: Mon, 11 Jan 2016 06:41:07 +0000 (-0800)
Subject: tty: Document c_line == N_TTY initial condition
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=133b1306f2068b124a4a00f537896a16786cc544;p=linux-beck.git

tty: Document c_line == N_TTY initial condition

The line discipline id is stored in the tty's termios; document the
implicit initial value of N_TTY.

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index d3ecbb513fa1..3c90ad44b585 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -123,7 +123,8 @@ struct ktermios tty_std_termios = {	/* for the benefit of tty drivers  */
 		   ECHOCTL | ECHOKE | IEXTEN,
 	.c_cc = INIT_C_CC,
 	.c_ispeed = 38400,
-	.c_ospeed = 38400
+	.c_ospeed = 38400,
+	/* .c_line = N_TTY, */
 };
 
 EXPORT_SYMBOL(tty_std_termios);